67 Members (excluding the associate or suspended members but including the countries represented on their behalf) [The rulers are not necessarily the representatives in the organisation. ] :
| | ARGENTINE | (Buenos Aires a + Olivos r) | | President Nestor Kirchner | | |
| | AUSTRIA | (Vienna) | | President Heinz Fischer | | |
| | AUSTRALIA | (Canberra) | | Philip Michael Jeffery | | |
| | BANGLADESH | (Dhaka a) | | President Iajuddin Ahmed | | |
| | BELGIUM | (Brussels) | | King Albert II | | |
| | BULGARIA | (Sofia) | | President Georgi Parvanov | | |
| | BRAZIL | (Brasilia) | | President Luiz Inacio Lula da Silva | | |
| | BELARUS | (Minsk) | | President Alexander Lukashenko | | |
| | CANADA | (Ottawa) | | Queen Elizabeth II | | |
| | CONGO-KINSHASA | (Kinshasa a) | | President Joseph Kabila | | |
| | SWITZERLAND | (Berne lq + Lausanne j) | | President Micheline Calmy-Rey | | |
| | CHILE | (Santiago of Chile a + Valparaiso l + Vina del Mar s) | | President Michelle Bachelet | | |
| | CAMEROON | (Yaounde) | | President Paul Biya | | |
| | CHINA | (Beijing) | | Hu Jintao | | |
| | COLOMBIA | (Bogota) | | President Alvaro Uribe | | |
| | CUBA | (Havana) | | Supreme Leader Fidel Castro | | |
| | CZECHIA | (Prague elr + Brno dj + Lany r) | | President Vaclav Klaus | | |
| | GERMANY | (Berlin ar + Bonn lr + Karlsruhe d) | | Bundespresident Horst Koehler | | |
| | ALGERIA | (Algiers a + El Biar d + El Mouradia r) | | President Abdelaziz Bouteflika | | |
| | ECUADOR | (San Francisco of Quito) | | President Rafael Correa Delgado | | |
| | EGYPT | (Cairo a + Alexandria r) | | President Hosni Mubarak | | |
| | SPAIN | (Madrid) | | King Juan Carlos I | | |
| | ETHIOPIA | (Addis Ababa) | | President Girma Wolde-Giorgis | | |
| | FINLAND | (Helsinki a + Kultaranta s) | | President Tarja Halonen | | |
| | FRANCE | (Paris) | | President Jacques Chirac | | |
| | HUNGARY | (Budapest a) | | President Laszlo Solyom | | |
| | INDONESIA | (Jakarta a + Bogor r + Chipanas r + Yogyakarta r + Tampaksiring r) | | President Susilo Bambang Yudhoyono | | |
| | IRELAND | (Dublin) | | President Mary McAleese | | |
| | ISRAEL | (Jerusalem aru + Tel Aviv-Jaffa i) | | Dalia Itzik | | |
| | INDIA | (New Delhi a + Simla s + Bolarum w) | | President Aavul Pakkiri Jainulabidin Abdul Kalam | | |
| | IRAQ | (Baghdad a + Camp Victory m) | | President Jalal Talabani | | |
| | IRAN | (Tehran) | | Supreme Leader Ayatollah Ali Khamenei | | |
| | ITALY | (Rome a) | | President Giorgio Napolitano | | |
| | JAPAN | (Tokyo) | | Emperor Akihito | | |
| | KENYA | (Nairobi) | | President Emilio Mwai Kibaki | | |
| | NORTH KOREA | (Pyongyang a) | | Kim Jong-Il | | |
| | SOUTH KOREA | (Seoul a + Sejong f) | | President Roh Moo-Hyun | | |
| | KAZAKHSTAN | (Astana a) | | President Nursultan Nazarbayev | | |
| | SRI LANKA | (Sri Jayewardenepura Kotte al + Colombo ejnr + Kandy r) | | President Mahinda Rajapaksa | | |
| | MOROCCO | (Rabat a) | | King Muhammad VI | | |
| | MYANMAR | (Naypyidaw a + Yangon bn) | | Than Shwe | | |
| | MONGOLIA | (Ulan-Bator) | | President Nambaryn Enkhbayar | | |
| | MEXICO | (Mexico City) | | President Felipe Calderon | | |
| | MALAYSIA | (Putrajaya aj + Kuala Lumpur ejlry) | | Sultan Mizan Zainal Abidin | | |
| | NIGERIA | (Abuja a) | | President Olusegun Obasanjo | | |
| | NETHERLANDS | (Amsterdam a + The Hague jlr + Wassenaar r) | | Queen Beatrix | | |
| | NORWAY | (Oslo) | | King Harald V | | |
| | NEW ZEALAND | (Wellington) | | Queen Elizabeth II | | |
| | PERU | (Lima a + Arequipa d + Cusco h) | | President Alan Garcia | | |
| | PAKISTAN | (Islamabad) | | President Pervez Musharraf | | |
| | POLAND | (Warsaw a) | | President Lech Kaczynski | | |
| | ROMANIA | (Bucharest) | | President Traian Basescu | | |
| | SERBIA | (Belgrade) | | President Boris Tadich | | |
| | RUSSIA | (Moscow) | | President Vladimir Putin | | |
| | SWEDEN | (Stockholm) | | King Charles XVI Gustav | | |
| | SLOVAKIA | (Bratislava a + Kosice d) | | President Ivan Gasparovic | | |
| | SENEGAL | (Dakar) | | President Abdoulaye Wade | | |
| | SYRIA | (Damascus) | | President Bashar Al-Assad | | |
| | TUNISIA | (Tunis) | | President Zine El Abidine Ben Ali | | |
| | TURKEY | (Ankara a) | | President Ahmet Necdet Sezer | | |
| | UKRAINE | (Kiev) | | President Viktor Yushchenko | | |
| | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) | | Queen Elizabeth II | | |
| | AMERICA | (Washington-District of Columbia) | | President George Walker Bush | | |
| | VENEZUELA | (Caracas) | | President Hugo Chavez | | |
| | VIETNAM | (Hanoi) | | Nong Duc Manh | | |
| | SOUTH AFRICA | (Pretoria ae + Cape Town l + Bloemfontein j + Johannesburg d) | | President Thabo Mbeki | | |
| | ZIMBABWE | (Harare) | | President Robert Mugabe | | |